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Finding the Fourth Proportional to 5,832.18, 8,745.05 and 3,985.38

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Solution

The fourth proportional to 5,832.18, 8,745.05 and 3,985.38 is: 5,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,832.18 : 8,745.05 = 3,985.38 : x
  2. Step 2: Convert to fraction form
    5,832.18/8,745.05 = 3,985.38/x
  3. Step 3: Cross multiply
    5,832.18x = 8,745.05 × 3,985.38
  4. Step 4: Simplify right side
    5,832.18x = 34,852,347.37
  5. Step 5: Solve for x
    x = 34,852,347.37/5,832.18
  6. Step 6: Final answer
    x = 5,975.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.